Infinity NC
Noise Cancelling Earbuds
Interactive User Guide
Version 1.8.1
Start Setup
< Back
Main Menu
1. Before You Start
2. Buttons & Indicators
3. Select Mode
A. Classic Bluetooth Mode
B. Auracast Mode
C. LE Audio Mode
4. App & Firmware Update
5. FAQ & Troubleshooting
6. Support & Feedback
Next
Menu
< Back
1. Before You Start
Noise-canceling earbuds for clear, low-latency sound.They let you:
- Connect via Classic Bluetooth with aptX Adaptive for TVs, phones, and laptops.
- Join Auracast broadcasts for shared listening.
- Enjoy LE Audio for clearer voice and smoother streaming.
Next
Menu
< Back
2. Buttons & Indicators
β MFB
- Volume +: Tap once (Right)
- Volume -: Tap once (Left)
- ANC on/off: Hold for 2s
LED (Left earbud)
Blinking red & blue: Pairing mode
π Full Buttons & Indicators Guide
Next
Menu
< Back
3. Select Mode
Classic Bluetooth
Classic Bluetooth
Auracast
Auracast
LE Audio
LE
LE Audio
LE
Menu
< Back
3A. Bluetooth Mode
Works with any Bluetooth device: phones, tablets, TVs, or computers.
Use transmitters supporting Snapdragon aptX Adaptive for smooth high-quality, and perfectly synced sound.
π View compatible aptX Adaptive devices β
Next
Menu
< Back
A.1 Enter Pairing Mode
βΆ Remove the earbuds and peel off the film. β· Place earbuds back into the case. βΈ Take them out again and wait until the LED (left earbud) blinks red & blue (pairing mode).
Not blinking red & blue? Put them back in the case, then press & hold the case button for 8s.
Next
Menu
< Back
A.2 Connect to Bluetooth Device
On your Bluetooth device (like phone), turn on Bluetooth and select "Avantalk Infinity NC". Connected: LED turns solid blue for 1s, then off.
π Use Auracast Mode β
π Use LE Audio Mode β
Next
Menu
< Back
3B. Auracast Mode
Works only when your audio source support Auracast for group listening and wireless audio sharing π Check supported transmitters and devices β
- To find and join Auracast, use:
- What Broadcast audio to multiple headphones or hearing aids - no pairing needed.
- Why Perfect for group listening, travel, or TV sharing.Just scan & join like Wi-Fi.
- NoticeWorks only with Auracast-compatible transmitters.
π Learn more about Auracast. β
- Avantree-Avantalk App (Best)
- or Auracast Assistant like Smasung S24 or newerπ Check more assistants β
π Check compatible transmitters. β
π View compatible transmitters β
Next
Menu
< Back
B.1 Choose How to Use
You have two ways to scan and join Auracast broadcasts:
With App
οΌRecommended)
(Recommended)
With App
With Phone Assistant
With Phone Assistant
Menu
< Back
a.1 Download App & Add Earbuds
βΆ Download Avantree-Avantalk app.
π Get it on Apple App Store β
π Get it on Google Play β
β· Connect earbuds to your phone via classic Bluetooth.
(How to: See Section 3A)
βΈ Open the app and add Infinity NC.
Next
Menu
< Back
a.2 Scan & Join Auracast
β· Open the Avantree-Avantalk app and add Infinity NC. βΈ
Tap Auracast, then select a broadcast.
π Find Auracast transmitters that work with Infinity NCβ
π Select other modes. β
π Use Classic Bluetooth Mode β
π Use LE Audio Mode β
Next
Menu
< Back
b. Scan & Join Auracast via Assistant
On Auracast-supported Android or Google phones, open Bluetooth settings or use Google Assistant to scan and join Auracast broadcasts.
π Find Auracast transmitters that work with Infinity NCβ
π Use Classic Bluetooth Mode β
π Use LE Audio Mode β
Next
Works only with devices and transmitters that support LE Audio for clearer & lower delay sound.
- Use Avantree C82 LEA β
- Or connect directly with latest Android phones or Windows 11 PCs with LE Audio support
Menu
< Back
3C. LE Audio Mode
- What Next-gen Bluetooth for better sound, lower delay, and longer battery life.
- Why Ideal for music, calls, and gaming - enjoy crystal-clear voice and smooth streaming.
- NoticeWorks only with Auracast-compatible transmitters.
π Check specific devices β
π Learn more about LE Audio. β
π Check compatible transmitters. β
π View compatible transmitters β
Next
Menu
< Back
C.1 Connect to LE Audio Device
e.g. Samsung S24 βΆ Connect earbuds to your phone via classic Bluetooth. β· Tap βοΈ and enable LE Audio.
(How to: See Section 3A)
π Use Classic Bluetooth Mode β
π Use Auracast Mode β
Next
Menu
< Back
4. App & Firmware Update
4. App & Firmware Update
4.1 Download App & Add Earbuds
βΆ Download Avantree-Avantalk app.
βΆ Download Avantree-Avantalk app.
π Get it on Apple App Store β
π Get it on Google Play β
β· Ensure earbuds are connected to your phone. βΈ Open the app and add Infinity NC.
β· Ensure earbuds are connected to your phone. βΈ Open the app and add Infinity NC.
- Adjust EQ/ANC
- Update firmware (improve performance, add features.)
π View detailed app guide. β
π View detailed app guide. β
Next
Menu
< Back
4.2 App Features
- Update firmware for new features
Next
Menu
< Back
5. FAQ & Troubleshooting
Here are some common questions:
- How do l reset/clear pairing history?β
π More Troubleshooting & FAQs β
Next
Menu
< Back
6. Support & Feedback
1. Register Your Product
Extended warranty & get updates.
Register Your Product
2. Agent Support
Need help? Contact our agents.
Email
Call
Chat
3. Share Feedback
How do you feel about this guide?
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Transcript
Infinity NC
Noise Cancelling Earbuds
Interactive User Guide
Version 1.8.1
Start Setup
< Back
Main Menu
1. Before You Start
2. Buttons & Indicators
3. Select Mode
A. Classic Bluetooth Mode
B. Auracast Mode
C. LE Audio Mode
4. App & Firmware Update
5. FAQ & Troubleshooting
6. Support & Feedback
Next
Menu
< Back
1. Before You Start
Noise-canceling earbuds for clear, low-latency sound.They let you:
Next
Menu
< Back
2. Buttons & Indicators
β MFB
LED (Left earbud)
Blinking red & blue: Pairing mode
π Full Buttons & Indicators Guide
Next
Menu
< Back
3. Select Mode
Classic Bluetooth
Classic Bluetooth
Auracast
Auracast
LE Audio
LE
LE Audio
LE
Menu
< Back
3A. Bluetooth Mode
Works with any Bluetooth device: phones, tablets, TVs, or computers.
Use transmitters supporting Snapdragon aptX Adaptive for smooth high-quality, and perfectly synced sound.
π View compatible aptX Adaptive devices β
Next
Menu
< Back
A.1 Enter Pairing Mode
βΆ Remove the earbuds and peel off the film. β· Place earbuds back into the case. βΈ Take them out again and wait until the LED (left earbud) blinks red & blue (pairing mode).
Not blinking red & blue? Put them back in the case, then press & hold the case button for 8s.
Next
Menu
< Back
A.2 Connect to Bluetooth Device
On your Bluetooth device (like phone), turn on Bluetooth and select "Avantalk Infinity NC". Connected: LED turns solid blue for 1s, then off.
π Use Auracast Mode β
π Use LE Audio Mode β
Next
Menu
< Back
3B. Auracast Mode
Works only when your audio source support Auracast for group listening and wireless audio sharing π Check supported transmitters and devices β
π Learn more about Auracast. β
π Check compatible transmitters. β
π View compatible transmitters β
Next
Menu
< Back
B.1 Choose How to Use
You have two ways to scan and join Auracast broadcasts:
With App
οΌRecommended)
(Recommended)
With App
With Phone Assistant
With Phone Assistant
Menu
< Back
a.1 Download App & Add Earbuds
βΆ Download Avantree-Avantalk app.
π Get it on Apple App Store β
π Get it on Google Play β
β· Connect earbuds to your phone via classic Bluetooth.
(How to: See Section 3A)
βΈ Open the app and add Infinity NC.
Next
Menu
< Back
a.2 Scan & Join Auracast
β· Open the Avantree-Avantalk app and add Infinity NC. βΈ
Tap Auracast, then select a broadcast.
π Find Auracast transmitters that work with Infinity NCβ
π Select other modes. β
π Use Classic Bluetooth Mode β
π Use LE Audio Mode β
Next
Menu
< Back
b. Scan & Join Auracast via Assistant
On Auracast-supported Android or Google phones, open Bluetooth settings or use Google Assistant to scan and join Auracast broadcasts.
π Find Auracast transmitters that work with Infinity NCβ
π Use Classic Bluetooth Mode β
π Use LE Audio Mode β
Next
Works only with devices and transmitters that support LE Audio for clearer & lower delay sound.
Menu
< Back
3C. LE Audio Mode
π Check specific devices β
π Learn more about LE Audio. β
π Check compatible transmitters. β
π View compatible transmitters β
Next
Menu
< Back
C.1 Connect to LE Audio Device
e.g. Samsung S24 βΆ Connect earbuds to your phone via classic Bluetooth. β· Tap βοΈ and enable LE Audio.
(How to: See Section 3A)
π Use Classic Bluetooth Mode β
π Use Auracast Mode β
Next
Menu
< Back
4. App & Firmware Update
4. App & Firmware Update
4.1 Download App & Add Earbuds
βΆ Download Avantree-Avantalk app.
βΆ Download Avantree-Avantalk app.
π Get it on Apple App Store β
π Get it on Google Play β
β· Ensure earbuds are connected to your phone. βΈ Open the app and add Infinity NC.
β· Ensure earbuds are connected to your phone. βΈ Open the app and add Infinity NC.
π View detailed app guide. β
π View detailed app guide. β
Next
Menu
< Back
4.2 App Features
Next
Menu
< Back
5. FAQ & Troubleshooting
Here are some common questions:
π More Troubleshooting & FAQs β
Next
Menu
< Back
6. Support & Feedback
1. Register Your Product
Extended warranty & get updates.
Register Your Product
2. Agent Support
Need help? Contact our agents.
Email
Call
Chat
3. Share Feedback
How do you feel about this guide?
Bad
Okay
Good